/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraScript.h
Ensure that the Script and its source graph are marked out of sync.
void MarkScriptAndSourceDesynchronized ( [FString](API\Runtime\Core\Containers\FString) Reason, const [FGuid](API\Runtime\Core\Misc\FGuid) & VersionGuid )